Some iron fillings are mixed with sand. We can separate them using magnetic separation method. This method is applicable only when:

magnetic substances are mixed up with non-magnetic substances

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magnetic substances are mixed up with magnetic substances

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magnetic substances are heated beyond their Curie temperatures

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two magnetic substances have equal melting points

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Solution

The correct option is A magnetic substances are mixed up with non-magnetic substances
Magnetic separation is a process in which magnetically susceptible material is extracted from a mixture using a magnetic force. This separation technique can be useful in mining iron as it is attracted to a magnet.When magnetic substances are mixed with non-magnetic substances.

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Similar questions

Some iron fillings are mixed with sand. We can separate them using magnetic separation method. This method is applicable only when:

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